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Biology for eng.

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Yuvraj Shrivastava

The document discusses different types of defibrillators used to treat cardiac arrest. It describes a standard defibrillator that sends electrical shocks to the heart to treat ventricular fibrillation and tachycardia. An implantable cardioverter-defibrillator (ICD) monitors heart rhythm and delivers shocks to terminate ventricular tachycardia and fibrillation. An automated external defibrillator is a portable device that can diagnose and treat ventricular fibrillation and tachycardia through defibrillation, and is designed to be used by laypeople to provide emergency treatment.

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ASSIGNMENT TOPIC:- BIO-MICROELECTROMECHANICALDEVICES REPRESENTED BY:- YUVRAJ SHRIVASTAVA 500069508 R260218058 B.TECH{FIRE AND SAFETY} REPRESENTED TO:- MRS. NISHU GOYAL
 A defibrillator is a device that sends electrical energy, or shock, to the heart. The aim of using a defibrillator is to treat cardiac arrest. The need for this generally arises when the patient has ventricular fibrillation or ventricular tachycardia, which are life- threatening arrhythmias that occur when contraction of the ventricles become abnormal. Defibrillators have electrocardiogram (ECG) leads and adhesive patches (or paddles). The adhesive electrodes are the patches placed on the patient’s chest that deliver the electric shock. DEFIBRILLATOR
DEFIBRILLATION ï‚´ Defibrillation is an asynchronous counter shock used to terminate pulseless ventricular tachycardia(VT) or VF. ï‚´ Three rapid consecutive shocks are delivered, with the first at an energy of 200 J. ï‚´ If unsuccessful, the shock is repeated at 200 to 300 J. ï‚´ The third and subsequent shock will be 360 J. *NOTE:- Be sure that no one is touching the bed of client when you are doing the defibrillation. IMPLANTABLECARDIOVERTER- DEFIBRILLATOR{ICD} ï‚´ An ICD monitors cardiac rhythm and detects and terminates episodes of VT and VF. ï‚´ The ICD sense VT and VF and delivers 25 to 30 J up to four times, if necessary.
AUTOMATED EXTERNAL DEFIBRILLATOR ï‚´ An ICD is used in clients with episodes of spontaneous sustained VT and VF unrelated. ï‚´ The generator is most commonly implanted in the left pectoral region. ï‚´ An automated external defibrillator (AED) is a portable electronic device that automatically diagnoses the life- threatening cardiac arrhythmias of ventricular fibrillation (VF) and pulseless ventricular tachycardia, and is able to treat them through defibrillation, the application of electricity which stops the arrhythmia, allowing the heart to re- establish an effective rhythm. ï‚´ AEDs are designed to be used by laypersons who ideally should have received AED training. However, sixth-grade students have been reported to begin defibrillation within 90 seconds, as opposed to a trained operator beginning within 67 seconds. This is in contrast to more sophisticated manual and semi- automatic defibrillators used by health professionals, which can act as a pacemaker if the heart rate is too slow (bradycardia) and perform other functions which require a skilled operator able to read electrocardiograms.
Biology for eng.

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Biology for eng.

  • 2. ï‚´ A defibrillator is a device that sends electrical energy, or shock, to the heart. The aim of using a defibrillator is to treat cardiac arrest. The need for this generally arises when the patient has ventricular fibrillation or ventricular tachycardia, which are life- threatening arrhythmias that occur when contraction of the ventricles become abnormal. Defibrillators have electrocardiogram (ECG) leads and adhesive patches (or paddles). The adhesive electrodes are the patches placed on the patient’s chest that deliver the electric shock. DEFIBRILLATOR
  • 3. DEFIBRILLATION ï‚´ Defibrillation is an asynchronous counter shock used to terminate pulseless ventricular tachycardia(VT) or VF. ï‚´ Three rapid consecutive shocks are delivered, with the first at an energy of 200 J. ï‚´ If unsuccessful, the shock is repeated at 200 to 300 J. ï‚´ The third and subsequent shock will be 360 J. *NOTE:- Be sure that no one is touching the bed of client when you are doing the defibrillation. IMPLANTABLECARDIOVERTER- DEFIBRILLATOR{ICD} ï‚´ An ICD monitors cardiac rhythm and detects and terminates episodes of VT and VF. ï‚´ The ICD sense VT and VF and delivers 25 to 30 J up to four times, if necessary.
  • 4. AUTOMATED EXTERNAL DEFIBRILLATOR ï‚´ An ICD is used in clients with episodes of spontaneous sustained VT and VF unrelated. ï‚´ The generator is most commonly implanted in the left pectoral region. ï‚´ An automated external defibrillator (AED) is a portable electronic device that automatically diagnoses the life- threatening cardiac arrhythmias of ventricular fibrillation (VF) and pulseless ventricular tachycardia, and is able to treat them through defibrillation, the application of electricity which stops the arrhythmia, allowing the heart to re- establish an effective rhythm. ï‚´ AEDs are designed to be used by laypersons who ideally should have received AED training. However, sixth-grade students have been reported to begin defibrillation within 90 seconds, as opposed to a trained operator beginning within 67 seconds. This is in contrast to more sophisticated manual and semi- automatic defibrillators used by health professionals, which can act as a pacemaker if the heart rate is too slow (bradycardia) and perform other functions which require a skilled operator able to read electrocardiograms.